Summer is the cheapest time to buy heating oil - read on to find out why and how you can save on the cost of heating oil, such as joining a heating oil club
British Gas reveals that its profits have doubled for the first half of 2015, even though our research reveals gas and electricity bills are too high
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Use our expert reviews to find a Best Buy boiler to suit you and stay toasty all winter long.
Which? guideCheaper energy bills
Save money on your gas and electricity bills, and calculate how much different appliances cost to run.
Essentials & tips
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Discover the results of our annual energy company survey to see which are the best - and worst - suppliers around.
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See our guide to solar panel systems, from the types to the costs and savings, to find out whether it's right for you.
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Our guide talks you through buying a heating oil tank, maintaining and fixing one, and how to get the best price.
Energy saving tools and calculators
From washing machines to batteries, find out how to recycle electrical items with our product recycling tool.
Find out how much your appliances are costing you to run with our easy to use cost calculators.
Has your washing machine developed a fault? See if it can be fixed using our free troubleshooter.